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Finding the Fourth Proportional to 61,580.85, 84,982.52 and 36,081.11

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Solution

The fourth proportional to 61,580.85, 84,982.52 and 36,081.11 is: 49,792.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,580.85 : 84,982.52 = 36,081.11 : x
  2. Step 2: Convert to fraction form
    61,580.85/84,982.52 = 36,081.11/x
  3. Step 3: Cross multiply
    61,580.85x = 84,982.52 × 36,081.11
  4. Step 4: Simplify right side
    61,580.85x = 3,066,263,652.20
  5. Step 5: Solve for x
    x = 3,066,263,652.20/61,580.85
  6. Step 6: Final answer
    x = 49,792.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.